Number of nX5 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero.

A232952

Number of nX5 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero.

Terms

    a(0) =81a(1) =4629a(2) =283131a(3) =17429409a(4) =1074244299a(5) =66226131273

External references